Bearing condition monitor and controller
CA 2395488 A1 · Owner: Ehrlich, Rodney P. · Inventors: Ehrlich, Rodney P.; Ehrlich, Donald J.; Brown, James B. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system for monitoring vehicle wheel bearings (34 36, 38) with temperature , sensor (100) vibration sensor (122) and proximity sensor (124 126). The , system is incorporated into a wheel speed sensor (20). The system may be incorporated in an anti-lock brake system (ABS) or electro-pneumatic brake system (EBS). Regardless of which characteristic is actually monitored by the system and whether the system is employed with an ABS or EBS the bearing , monitoring system provides that one or more bearings (36 38) of a vehicle can , be continuously and automatically monitored in the field.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed December 22, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 22, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 22, 2022.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.